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Can relative amounts of the components of a mixture vary? Can the relative amounts of the components of a compound vary?
a reaction has an activation energy of 123 kjmol and a rate constant of 0.200 s-1 at 311k. at what temperature will the
The decomposition of potassium chlorate yields oxygen gas. If the yield is 95%, how many grams of KClO3 are needed to produce 10.0L of O2 2KClO3(s) -> KCl(s) + 3O2(g)
Calculate the deltaG for the hydrolysis of ATP in liver, muscle, and brain cells using the following table. In which cell type is the free energy of ATP hydrolysis more negative?
Write the Henderson-Hasselbalch equation for a solution of propanoic acid (CH3CH2CO2H, pKa = 4.874 ) using HA and A- in the expression. Using this equation, calculate the quotient [A-]/[HA] at A) pH 4.01 B) pH 4.874 C) pH 5.20
if iron is oxidized to fe2 by a copperii sulfate solution and 0.289 grams of iron and 21.0 ml of 0.433m copperii
When comparing the successive ionization energies of an element, an unusually big increase in ionization energy is seen when
If the partial pressure of H2S is 0.539 atm, calculate the total pressure (atm) of the mixture visualized. I wasn't able to put the actual visualization but I will provide to the best of my ability what was given
The same mass of solute is dissolved in 9.82 g of t-butanol instead of cyclohexane. What is the expected freezing point change of the solution
pure 2-methylpentane is held in a closed container at 150 deg f. both gas and liquid are presend. what is the pressure
In several sentences (not a long answer, in other words, describe the source of alkenes -- how do we obtain therm. (They are very useful in synthesis of other organic compounds, of many sorts, so we need a source of them. What is it
(a) Calculate the standard molar enthalpy change (deltaHrxn°) at 400 K (not 298 K) for the following reaction (the cyclotrimerization of ethyne to benzene)
Rank cyclohexanol,tetrahydropyran-3-ol,tetrahydropyran-2-ol,and 2-cyclohexen-1-ol based on their SN1 reactivity. They all form secondary carbocations, correct? How does the oxygen affect their SN1 reactivity
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